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Finding the Fourth Proportional to 610,599.48, 842,728.15 and 338,754.95

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Solution

The fourth proportional to 610,599.48, 842,728.15 and 338,754.95 is: 467,537.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,599.48 : 842,728.15 = 338,754.95 : x
  2. Step 2: Convert to fraction form
    610,599.48/842,728.15 = 338,754.95/x
  3. Step 3: Cross multiply
    610,599.48x = 842,728.15 × 338,754.95
  4. Step 4: Simplify right side
    610,599.48x = 285,478,333,576.78
  5. Step 5: Solve for x
    x = 285,478,333,576.78/610,599.48
  6. Step 6: Final answer
    x = 467,537.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.